Avionics-List Digest Archive

Thu 09/24/09


Total Messages Posted: 1



Today's Message Index:
----------------------
 
     1. 12:15 PM - Re: KX155 noise-only (zwakie)
 
 
 


Message 1


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    Time: 12:15:41 PM PST US
    Subject: Re: KX155 noise-only
    From: "zwakie" <mz@cariama.nl>
    I have good news: I found the cause! It turned out that the nav section's volume was not completely turned to silent. The volume knob was just a fraction from being closed, so I was very surprised that this fraction totally blocked the COM audio to my headset. Valuable lesson learned. What I would like to do next, is to find a way to minimize this effect. Any ideas? Marcel zwakie wrote: > Hi Charlie, > > First of all, thanks for responding to this newbee's question! > > > ceengland(at)bellsouth.ne wrote: > > What kind of noise? > > Very similar to what you can hear in the WAV file in this ZIP-file, yet frequency on my radio seems to be a bit lower than in this sample: Sample White Noise (http://www.dogstar.dantimax.dk/testwavs/white.zip) > So yes it is white noise. > > > ceengland(at)bellsouth.ne wrote: > > If so, does the radio's volume control have no effect on the noise volume? > > Negative. I did however notice that there was a slight drop in volume when pulling the COM kHz selector knob or the NAV IDENT knob. > > > ceengland(at)bellsouth.ne wrote: > > If no effect, have you checked the nav section's volume? > > Not sure if I have this checked, will do it next time at the hangar. > > > ceengland(at)bellsouth.ne wrote: > > If it's not white noise, and the nav volume is in fact turned down, and > > the comm volume is in fact turned down, is it a hum or buzz? > > Don't know, will check as well. > > > ceengland(at)bellsouth.ne wrote: > > If so, is it still there if you unplug your mic cord? > > Don't know either, will have to check. > > > ceengland(at)bellsouth.ne wrote: > > If so, it might be that the audio output of the radio really does have a problem. > > Let's hope we won't have to reach that conclusion [Wink] > > Thanks. > Marcel Read this topic online here: http://forums.matronics.com/viewtopic.php?p=264765#264765




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